A rapid detection technology for okadaic acid (OA) in shellfish with one-step immunochromatographic assay using colloidal gold-labeled monoclonal antibody (Mab) probe was developed. OA is one of the diarrhetic shellfish toxins. Firstly, OA was conjugated to bovine serum albumin, and the conjugations as immunogen were injected into mice to raise the… (More)